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Unit of Measure

Technical Specifications

Type

Main Spindle Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Type

Machined

Cage Material

Phenolic Resin

Ball Material

Steel

Limiting Speed - Oil

38000 RPM

Limiting Speed - Grease

29000 RPM

Seal Type

None

Seal Material

None

Precision

Special Precision

Configuration

Two

Factor

0.0

Static Load Rating

875 lbf3900 N3.90 kN

Dynamic Load Rating

1420 lbf6300 N6.30 kN

Enclosure

Open

Weight

0.780 lb0.354 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Angular Contact Ball Bearing for Motors and Lathes - Tandem Arrangement - Dimensions

d

0.6693 in17.000 mm

D

1.1811 in30.000 mm

B

0.2756 in7.000 mm

2B

0.5512 in14.000 mm

d1

0.8268 in21.000 mm

d2

0.7638 in19.400 mm

D1

1.0236 in26.000 mm

r

0.0118 in0.300 mm

r1

0.0059 in0.150 mm

Contact Angle

15 º

da min

0.7559 in19.200 mm

db min

0.7165 in18.200 mm

Da max

1.1024 in28.000 mm

ras max

0.0118 in0.300 mm

r1as max

0.0059 in0.150 mm